angry tapir writes: "LG Display has introduced a 5-inch full HD LCD panel for smartphone displays — the highest resolution mobile panel to date. The widescreen panel is based on AH-IPS (Advanced High Performance In-Plane Switching) technology and has a 1920-by-1080 pixel resolution or 440 pixels per inch (ppi), according to LG. That compares to Apple's Retina display, which has 264 ppi on the new iPad and 326 ppi on the iPhone 4S."